Newton's Law of Universal Gravitation
All objects in the universe exert a gravitational force of attraction on each other.
Newton's Law of Universal Gravitation formula |
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| \(\large{ F_g = G\; \frac{m_1 \;m_2}{r^2} }\) | ||
| Symbol | English | Metric |
| \(\large{ F_g }\) = gravitational force | \(\large{ \frac{ft}{sec^2} }\) | \(\large{ \frac{m}{s^2} }\) |
| \(\large{ m_1 }\) = mass of object 1 | \(\large{ lbm }\) | \(\large{ kg }\) |
| \(\large{ m_2 }\) = mass of object 2 | \(\large{ lbm }\) | \(\large{ kg }\) |
| \(\large{ r }\) = radius distance between objects | \(\large{ ft }\) | \(\large{ m }\) |
| \(\large{ G }\) = universal gravitational constant | \(\large{\frac{lbf-ft^2}{lbm^2}}\) | \(\large{\frac{N - m^2}{kg^2}}\) |
